(1997). Resource manuals for population education. United Nations Population Fund Department of Education.
Chicago-Zitierstil (17. Ausg.)Resource Manuals for Population Education. Makati City, Pasig City: United Nations Population Fund Department of Education, 1997.
MLA-Zitierstil (9. Ausg.)Resource Manuals for Population Education. United Nations Population Fund Department of Education, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.